Java BufferedReader.readline（）挂起

我正在尝试为（my$I=0；$I运行

/usr/bin/perl-e'。您一次读取一个流。当另一个流填满缓冲区时，您的进程将停止等待您读取。解决方案是在不同的线程中读取流或使用

ProcessBuilder pb = new ProcessBuilder(go); //go is the command
process = pb.start();
BufferedReader incommandbuf = new BufferedReader(new InputStreamReader(process.getInputStream()),1024*1000);
BufferedReader errcommandbuf = new BufferedReader(new InputStreamReader(process.getErrorStream()),1024*1000);
stdString = "";

while ((line = incommandbuf.readLine()) != null)
{
    stdString += line + "\n";
}
String errorstrtemp = "";
while ((line = errcommandbuf.readLine()) != null)
{
    errorstrtemp += line + "\n";
}